Tapered roller bearing is often used in car , but it can be uesd machinery , power tool , steelwork , rolling mill, sugar mill, vibrating screens etc . It has many model . If you want to redesign , we are all agree . They have new model and old model . So ,you don't want to new model , you can choose old model . All tapered roller bearing can be separated . These bearing are separable bearing . It is single row , there are inner and outer ring . Its precision grade is P0-P6.